Ruined weddings, ruined guild expeditions, ruined public events; Yours truly has both hosted and attended plenty of player events that have been ruined/crashed by trolls.
In addition to not having to see what they are saying, would it be feasible to make a player on your Ignore List invisible, while in safe zones?
In addition to not having to see what they are saying, would it be feasible to make a player on your Ignore List invisible, while in safe zones?